The lineation shown by parallel stretched mineral grains, mineral aggregates , lithic scraps ,gravels and so on is called stretching lineation. ....
The ape-man mountain composed of acid quartzkeratophre dated 900 million years. For the rock compact and hard , and densely jointed, the ....
Shaguchuan(old sandy boat)stone in the Ape-man mountain has the same origin as the Ape-man stone．Magma with Si02 more than at 65％is called acid ....
In spilite-keratophyre , as intermediate-basic volcanic rocks of Xiaojiwa Canyon, dated 900 Ma，chevron folding is developed after schistosity was ....
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